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gpio: timberdale: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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b0d384733c
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@ -53,7 +53,7 @@ struct timbgpio {
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static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
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unsigned offset, bool enabled)
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{
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struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
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struct timbgpio *tgpio = gpiochip_get_data(gpio);
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u32 reg;
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spin_lock(&tgpio->lock);
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@ -77,7 +77,7 @@ static int timbgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
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static int timbgpio_gpio_get(struct gpio_chip *gpio, unsigned nr)
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{
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struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
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struct timbgpio *tgpio = gpiochip_get_data(gpio);
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u32 value;
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value = ioread32(tgpio->membase + TGPIOVAL);
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@ -98,7 +98,7 @@ static void timbgpio_gpio_set(struct gpio_chip *gpio,
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static int timbgpio_to_irq(struct gpio_chip *gpio, unsigned offset)
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{
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struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
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struct timbgpio *tgpio = gpiochip_get_data(gpio);
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if (tgpio->irq_base <= 0)
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return -EINVAL;
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@ -279,7 +279,7 @@ static int timbgpio_probe(struct platform_device *pdev)
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gc->ngpio = pdata->nr_pins;
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gc->can_sleep = false;
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err = gpiochip_add(gc);
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err = gpiochip_add_data(gc, tgpio);
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if (err)
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return err;
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